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7 Tools that Help Organizations to Understand their Process in Order to Improve Them

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Tools that help organizations understand their process in order to improve them are as follows:

(i) Cause and effect diagram:

Known as Ishikawa diagram or high bone diagram. This tool for analysing process dispersion was developed by Japanese statistician K. Ishikawa.

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The diagram illustrates the main causes and sub-cause leading to an effect.

(ii) Check Sheet:

A simple data-recording device. The check sheet is custom designed by the user, which allows him to readily interpret the results.

(iii) Control Chart:

A graphic representation of characteristics of a process, showing plotted values of some statistics gathered from that characteristic and one or two control limits. It has two users, as a judgment to determine if a process was in control, and as an aid in achieving and maintaining statistical control.

(iv) Flow Chart:

A graphical representation of the steps in a process. Flow charts are drawn to better understand processes. Various symbols for activities are used for a flow chart.

(v) Histogram:

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A graphical summary of variation in a set of data. The pictorial nature of the histogram lets people see patterns that are difficult to see in a simple table of numbers.

(vi) Pareto Chart:

A control chart for evaluating the stability of a process in terms of the percentage of the total numbers of units in a sample in which an event of a given clarification occurs.

The percentage chart is also referred as a proportion chart.

(vii) Scatter diagram:

A graphical technique to analyse the relationship between two variables. Two set of data plotted on a graph with the “y” axis being used for the variable to be predicted and the ‘x’ axis being used for the variable to make prediction. The graph will show possible relationships.